<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
<!--      <el-form-item label="用户id" prop="userId">-->
<!--        <el-input-->
<!--          v-model="queryParams.userId"-->
<!--          placeholder="请输入用户id"-->
<!--          clearable-->
<!--          @keyup.enter.native="handleQuery"-->
<!--        />-->
<!--      </el-form-item>-->
<!--      <el-form-item label="商品id" prop="rewardId">-->
<!--        <el-input-->
<!--          v-model="queryParams.rewardId"-->
<!--          placeholder="请输入商品id"-->
<!--          clearable-->
<!--          @keyup.enter.native="handleQuery"-->
<!--        />-->
<!--      </el-form-item>-->
      <el-form-item label="消耗积分" prop="pointsCost">
        <el-input
          v-model="queryParams.pointsCost"
          placeholder="请输入消耗积分"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          v-if="userRoleId === 1"
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['reward:order:add']"
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          v-if="userRoleId === 1"
          type="success"
          plain
          icon="el-icon-edit"
          size="mini"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['reward:order:edit']"
        >修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['reward:order:remove']"
        >删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="warning"
          plain
          icon="el-icon-download"
          size="mini"
          @click="handleExport"
          v-hasPermi="['reward:order:export']"
        >导出</el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="orderList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="序号" type="index" width="50" align="center"/>
      <el-table-column label="商品名称" align="center" prop="rewardName" />
      <el-table-column label="消耗积分" align="center" prop="pointsCost" />
      <el-table-column label="状态" align="center">
        <template slot-scope="scope">
          {{ getStatusLabel(scope.row.status) }}
        </template>
      </el-table-column>
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button

            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['reward:order:edit']"
          >修改</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['reward:order:remove']"
          >删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改兑换订单对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="用户id" prop="userId">
          <el-input v-model="form.userId" placeholder="请输入用户id" />
        </el-form-item>
        <el-form-item label="商品id" prop="rewardId">
          <el-input v-model="form.rewardId" placeholder="请输入商品id" />
        </el-form-item>
        <el-form-item label="消耗积分" prop="pointsCost">
          <el-input v-model="form.pointsCost" placeholder="请输入消耗积分" />
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { listOrder, getOrder, delOrder, addOrder, updateOrder } from "@/api/reward/order";
import { getReward } from "@/api/reward/reward";
import { getInfo } from "@/api/login"; // 引入获取用户信息的接口

export default {
  name: "Order",
  data() {
    return {
      // 用户角色ID
      userRoleId: null,
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 订单列表数据
      orderList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        userId: null,
        rewardId: null,
        pointsCost: null,
        status: null,
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        userId: [
          { required: true, message: "用户id不能为空", trigger: "blur" }
        ],
        rewardId: [
          { required: true, message: "商品id不能为空", trigger: "blur" }
        ],
        pointsCost: [
          { required: true, message: "消耗积分不能为空", trigger: "blur" }
        ],
      },
      // 商品名称映射
      rewardMap: {}
    };
  },
  created() {
    this.getUserInfo(); // 获取用户信息
    this.getList();
  },
  methods: {
    /** 获取当前用户信息 */
    async getUserInfo() {
      try {
        const response = await getInfo();
        // 假设返回的数据中包含roles数组，第一个角色是主角色
        this.userRoleId = response.roles && response.roles.length > 0
          ? response.roles[0].roleId
          : null;
      } catch (error) {
        console.error("Failed to get user info:", error);
      }
    },

    getStatusLabel(status) {
      const statusMap = {
        pending: "待处理",
        completed: "已完成"
      };
      return statusMap[status] || "未知状态";
    },

    async getList() {
      this.loading = true;
      try {
        const response = await listOrder(this.queryParams);
        this.orderList = response.rows;
        // 加载商品名称
        await this.loadRewardNames(this.orderList);
        this.total = response.total;
      } finally {
        this.loading = false;
      }
    },

    async loadRewardNames(orders) {
      const rewardIds = orders.map(order => order.rewardId);
      const uniqueRewardIds = Array.from(new Set(rewardIds));

      const promises = uniqueRewardIds.map(id => {
        if (this.rewardMap[id]) {
          return Promise.resolve(this.rewardMap[id]);
        } else {
          return getReward(id).then(res => {
            this.rewardMap[id] = res.data.name; // 假设接口返回的商品名称字段为 name
            return res.data.name;
          });
        }
      });

      await Promise.all(promises);

      orders.forEach(order => {
        const rewardName = this.rewardMap[order.rewardId] || '未知商品';
        this.$set(order, 'rewardName', rewardName); // 确保响应式更新
      });

      // 强制更新表格数据
      this.orderList = [...this.orderList];
    },

    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },

    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },

    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.id);
      this.single = selection.length !== 1;
      this.multiple = !selection.length;
    },

    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加兑换订单";
    },

    handleUpdate(row) {
      this.reset();
      const id = row.id || this.ids;
      getOrder(id).then(response => {
        this.form = response.data;
        this.open = true;
        this.title = "修改兑换订单";
      });
    },

    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.id != null) {
            updateOrder(this.form).then(() => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addOrder(this.form).then(() => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },

    handleDelete(row) {
      const ids = row.id || this.ids;
      this.$modal.confirm(`是否确认删除编号为"${ids}"的数据项？`).then(() => {
        return delOrder(ids);
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).catch(() => {});
    },

    handleExport() {
      this.download('reward/order/export', this.queryParams, `order_${new Date().getTime()}.xlsx`);
    },

    reset() {
      this.form = {
        id: null,
        userId: null,
        rewardId: null,
        pointsCost: null,
        status: null,
        createTime: null
      };
      this.resetForm("form");
    },

    cancel() {
      this.open = false;
      this.reset();
    }
  }
};
</script>
